TREA

Katsuhiro Ishikawa

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air-fuel ratio sensor
    • Patent number 5,935,399
    • Issue date Aug 10, 1999
    • Denso Corporation
    • Akio Tanaka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 5,164,068
    • Issue date Nov 17, 1992
    • Nippondenso Co., Ltd.
    • Shohei Udo
    • G01 - MEASURING TESTING